Shell Lake, WI Weather & Growing Conditions
Today
75°F
Mostly Sunny
Mostly sunny, with a high near 75. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Sunny | 5 to 10 mph NW | 4% |
| Tonight | 52°F | Mostly Clear | 0 to 10 mph NW | 2% |
| Wednesday | 77°F | Sunny | 0 to 10 mph W | 0% |
| Wednesday Night | 55°F | Mostly Clear | 5 mph SW | 0% |
| Thursday | 82°F | Sunny | 5 to 15 mph SW | 2% |
| Thursday Night | 61°F | Mostly Clear | 5 to 15 mph SW | 5% |
| Friday | 84°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 15% |
| Friday Night | 61°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 34% |
| Saturday | 82°F | Mostly Sunny | 0 to 10 mph SW | 14% |
| Saturday Night | 61°F | Chance Showers And Thunderstorms | 5 to 10 mph NW | 51% |
| Sunday | 81°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 43% |
| Sunday Night | 60°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 20% |
| Monday | 80°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 20% |
| Monday Night | 59°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 21% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Shell Lake, WI
Last spring frost
May 14
First fall frost
Sep 28
Growing season
135 days
Hardiness zone
4a
Explore more for Shell Lake, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Spooner Ag Res Stn, Wi (9.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.